/****************************************************************************
 *
 * Copyright 2016 Samsung Electronics All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 *
 ****************************************************************************/
/****************************************************************************
 * libc/misc/lib_dumpbuffer.c
 *
 *   Copyright (C) 2009, 2011, 2014 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <tinyara/config.h>
#include <tinyara/compiler.h>

#include <stdint.h>
#include <debug.h>

/****************************************************************************
 * Pre-processor definitions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: lib_dumpbuffer
 *
 * Description:
 *  Do a pretty buffer dump
 *
 ****************************************************************************/

void lib_dumpbuffer(FAR const char *msg, FAR const uint8_t *buffer, unsigned int buflen)
{
	unsigned int i;
	unsigned int j;
	unsigned int k;

	lowsyslog(LOG_INFO, "%s (%p):\n", msg, buffer);
	for (i = 0; i < buflen; i += 32) {
		lowsyslog(LOG_INFO, "%04x: ", i);
		for (j = 0; j < 32; j++) {
			k = i + j;

			if (j == 16) {
				lowsyslog(LOG_INFO, " ");
			}

			if (k < buflen) {
				lowsyslog(LOG_INFO, "%02x", buffer[k]);
			} else {
				lowsyslog(LOG_INFO, "  ");
			}
		}

		lowsyslog(LOG_INFO, " ");
		for (j = 0; j < 32; j++) {
			k = i + j;

			if (j == 16) {
				lowsyslog(LOG_INFO, " ");
			}

			if (k < buflen) {
				if (buffer[k] >= 0x20 && buffer[k] < 0x7f) {
					lowsyslog(LOG_INFO, "%c", buffer[k]);
				} else {
					lowsyslog(LOG_INFO, ".");
				}
			}
		}

		lowsyslog(LOG_INFO, "\n");
	}
}
